Browse Items (41 total)
Tombaugh, Clyde W., Credit for the discovery of Pluto Letter from Clyde Tombaugh to Carl Lampland, October 18, 1932
Tombaugh, Clyde W., Credit for the discovery of Pluto Letter from Clyde Tombaugh to Carl Lampland, October 18, 1932, 1932-10-18
Problem with the treatment of the discovery of Pluto in Professor Baker's new book on Astronomy wherein Tombaugh's name is not mentioned as the…
Tags: Pluto
Lampland, Carl O, Credit for the discovery of Pluto The Martian Polar Cap "Carbonic Acid" hypothesis Letter from Carl Lampland to Clyde Tombaugh, November 5, 1932
Lampland, Carl O, Credit for the discovery of Pluto The Martian Polar Cap "Carbonic Acid" hypothesis Letter from Carl Lampland to Clyde Tombaugh, November 5, 1932, 1932-11-05
Rock salt crystals for prism purposes; Dry ice, Martian polar caps, carbon dioxide (the 'Carbonic Acid' hypothesis) and Dr. Alter's comments on life…
Tombaugh, Clyde W., Credit for the discovery of Pluto The Martian Polar Cap "Carbonic Acid" hypothesis Letter from Clyde Tombaugh to Carl Lampland, November 1, 1932
Tombaugh, Clyde W., Credit for the discovery of Pluto The Martian Polar Cap "Carbonic Acid" hypothesis Letter from Clyde Tombaugh to Carl Lampland, November 1, 1932, 1932-11-01
Professor Baker's book and credit for the discovery of Pluto. Rock salt crystals for prism purposes. Dry ice, Martian polar caps, carbon dioxide…
Lampland, Carl O., Discovery of Pluto Idea of a group of transneptunian planets Letter from Carl Lampland to Gabrielle Camille Flammarion, November 17, 1930
Lampland, Carl O., Discovery of Pluto Idea of a group of transneptunian planets Letter from Carl Lampland to Gabrielle Camille Flammarion, November 17, 1930, 1930-11-17
Gabrielle Camille Flammarion's idea of a group of transneptunian planets
Discovery plates of Pluto sent to Gabrielle Camille Flammarion
Stokely, J., Discovery of Pluto Letter from James Stokley (Science Services, Inc.) to Carl Lampland, July 29, 1930
Stokely, J., Discovery of Pluto Letter from James Stokley (Science Services, Inc.) to Carl Lampland, July 29, 1930, 1930-07-29
Stokely's airplane photograph of Meteor Crater
Status of the Pluto situation
Request for copies of leaflet and announcement issued on Pluto's…
Tags: Pluto
Lundin, C.A. Robert, Discovery of Pluto Letter from C.A. Robert Lundin to Carl Lampland, April 14, 1930
Lundin, C.A. Robert, Discovery of Pluto Letter from C.A. Robert Lundin to Carl Lampland, April 14, 1930, 1930-04-14
C.A. Robert Lundin now associated with Roland W. Sellow who designs and builds mountings, domes, rising floors, observatory buildings; Discovery of…
Tags: Pluto
Lampland, Carl O., Discovery of Pluto Letter from Carl Lampland to C.A. Robert Lundin (The Alvan Clark & Sons Corp.), March 25, 1930
Lampland, Carl O., Discovery of Pluto Letter from Carl Lampland to C.A. Robert Lundin (The Alvan Clark & Sons Corp.), March 25, 1930, 1930-03-25
C.A. Robert Lundin's part in the discovery of Pluto
Tags: Pluto
Lampland, Carl O., Discovery of Pluto Letter from Carl Lampland to C.A. Robert Lundin, April 19, 1930
Lampland, Carl O., Discovery of Pluto Letter from Carl Lampland to C.A. Robert Lundin, April 19, 1930, 1930-04-19
Request for photograph of the mount for the 13-inch; Observing, measurements of positions and calculations have been consuming every waking moment for…
Tags: Pluto
Lampland, Carl O., Discovery of Pluto Letter from Carl Lampland to Gabrielle Camille Flammarion, June 4, 1930
Lampland, Carl O., Discovery of Pluto Letter from Carl Lampland to Gabrielle Camille Flammarion, June 4, 1930, 1930-06-04
Photos and Lowell Observatory publications regarding the new planet
Tags: Pluto
Lampland, C.O., Discovery of Pluto Letter from Carl Lampland to James Stokley, August 5, 1930
Lampland, C.O., Discovery of Pluto Letter from Carl Lampland to James Stokley, August 5, 1930, 1930-08-05
Stokely's airplane photograph of Meteor Crater
Status of the Pluto situation
Request for copies of leaflet and announcement issued on Pluto's…
Tags: Pluto